Pesticidal nitro-substituted heterocyclic compounds
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United States of America Patent
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Oct 24, 1989
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N/A
app pub date -
Jun 17, 1988
filing date -
Jun 26, 1987
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Expired
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Abstract
Nitro-subsliluted heterocyclic compounds of the formula (I) ##STR1## wherein R is hydrogen or alkyl, Z is an optionally substituted aryl or optionally subtituted heterocyclic groun containing at least one atom selected from N, O and S, A is optionally substituted ethylene or optionally substituted trimethylene, and B stands for 2 or 3 members of a heterocyclic ring which is formed, together with the adjacent C-atom and N-aom and at least one of said members may represent a hetero atom and may be optionally substituted, provided that when B stands for 3 members, two of which are carbon atoms and the other one is a nitrogen atom which is located in the middle of the three members, then at least one of said two carbon atoms must be substituted by a keto group. Such compounds being useful as insecticides.
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